Home / 165,337.61-228,166.44-93,722.45

Finding the Fourth Proportional to 165,337.61, 228,166.44 and 93,722.45

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Solution

The fourth proportional to 165,337.61, 228,166.44 and 93,722.45 is: 129,337.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,337.61 : 228,166.44 = 93,722.45 : x
  2. Step 2: Convert to fraction form
    165,337.61/228,166.44 = 93,722.45/x
  3. Step 3: Cross multiply
    165,337.61x = 228,166.44 × 93,722.45
  4. Step 4: Simplify right side
    165,337.61x = 21,384,317,764.58
  5. Step 5: Solve for x
    x = 21,384,317,764.58/165,337.61
  6. Step 6: Final answer
    x = 129,337.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.